Fig. 5

Differential metabolite expression in maize kernels exposed to different light environments. A Number of differentially abundant metabolites (DAMs) under various light conditions. B Up- and downregulated DAMs under various light conditions. C UpSet plot for DAMs under various light conditions. D Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis of DAMs under various light conditions. Significance criteria: log2|FC|> 1, P < 0.05, VIP = 1